Home / 298,943,597.20-446,980,505.10-221,459,499.40

Finding the Fourth Proportional to 298,943,597.20, 446,980,505.10 and 221,459,499.40

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Solution

The fourth proportional to 298,943,597.20, 446,980,505.10 and 221,459,499.40 is: 331,126,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,943,597.20 : 446,980,505.10 = 221,459,499.40 : x
  2. Step 2: Convert to fraction form
    298,943,597.20/446,980,505.10 = 221,459,499.40/x
  3. Step 3: Cross multiply
    298,943,597.20x = 446,980,505.10 × 221,459,499.40
  4. Step 4: Simplify right side
    298,943,597.20x = 98,988,078,901,005,152
  5. Step 5: Solve for x
    x = 98,988,078,901,005,152/298,943,597.20
  6. Step 6: Final answer
    x = 331,126,272.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.